34 lines
815 B
Rust
34 lines
815 B
Rust
// Regression test for #23729
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fn main() {
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let fib = {
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struct Recurrence {
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mem: [u64; 2],
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pos: usize,
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}
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impl Iterator for Recurrence {
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//~^ ERROR E0046
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#[inline]
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fn next(&mut self) -> Option<u64> {
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if self.pos < 2 {
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let next_val = self.mem[self.pos];
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self.pos += 1;
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Some(next_val)
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} else {
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let next_val = self.mem[0] + self.mem[1];
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self.mem[0] = self.mem[1];
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self.mem[1] = next_val;
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Some(next_val)
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}
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}
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}
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Recurrence { mem: [0, 1], pos: 0 }
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};
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for e in fib.take(10) {
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println!("{}", e)
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}
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}
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